←
Proto-Indo-Iranian *Háykas (inherited)
←
Old Hindi एक (inherited)
←
Proto-Indo-Aryan *Háykas (inherited)
←
Sauraseni Apabhramsa एक्क (inherited)
←
Sauraseni Prakrit 𑀏𑀓𑁆𑀓 (inherited)
←
Sanskrit एक (inherited)
→
Atong (India) eek (borrowed)
→
Fiji Hindi ek (derived)
→
Kalo Finnish Romani iek (cognate)